<template>
    <div>
<!--        面包屑-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{path:'/home'}">首页</el-breadcrumb-item>
            <el-breadcrumb-item><a href="/reports">数据统计</a></el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <el-card>
            <div id="main" style="width:80%;height: 600px"></div>
        </el-card>

    </div>
</template>

<script>
    //vue 3中导入echarts方法，也可以将其作为全局属性app.config.globalProperties.$echarts = echarts
    import * as echarts from 'echarts'
  export default {
    name: "Report",
    data(){
      return {
        option:  {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#6a7985'
              }
            }
          },
          legend: {
            data: ['邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
          },
          toolbox: {
            feature: {
              saveAsImage: {}
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              type: 'category',
              boundaryGap: false,
              data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ],
          series: [
            {
              name: '邮件营销',
              type: 'line',
              stack: '总量',
              areaStyle: {},
              emphasis: {
                focus: 'series'
              },
              data: [120, 132, 101, 134, 90, 230, 210]
            },
            {
              name: '联盟广告',
              type: 'line',
              stack: '总量',
              areaStyle: {},
              emphasis: {
                focus: 'series'
              },
              data: [220, 182, 191, 234, 290, 330, 310]
            },
            {
              name: '视频广告',
              type: 'line',
              stack: '总量',
              areaStyle: {},
              emphasis: {
                focus: 'series'
              },
              data: [150, 232, 201, 154, 190, 330, 410]
            },
            {
              name: '直接访问',
              type: 'line',
              stack: '总量',
              areaStyle: {},
              emphasis: {
                focus: 'series'
              },
              data: [320, 332, 301, 334, 390, 330, 320]
            },
            {
              name: '搜索引擎',
              type: 'line',
              stack: '总量',
              label: {
                show: true,
                position: 'top'
              },
              areaStyle: {},
              emphasis: {
                focus: 'series'
              },
              data: [820, 932, 901, 934, 1290, 1330, 1320]
            }
          ]
        }
      }
    },
    async mounted() {
      //初始化图表
      let myChart = echarts.init(document.getElementById('main'));
      // 使用刚指定的配置项和数据显示图表。
      const {data:res} = await this.$http.get(`/reports/type/1`);
      console.log(res);
      if(res.meta.status !== 200){
        return this.$message.error('获取统计数据失败！')
      }
      this.option.legend =  res.data.legend;
      this.option.xAxis = res.data.xAxis;
      this.option.yAxis = res.data.yAxis;
      this.option.series = res.data.series;
      myChart.setOption(this.option);
    },
  }
</script>

<style scoped>

</style>
